Polar V800 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Jaybird Reign vs. Michael Kors Grayson

 
V800
Loop 2
Grayson
Flex
Reign
Grayson
 PolarV800Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$470$120$350$100$150$350
Release201420152018201320152018

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/an/a
Oxygen
Sleep
Steps
Swim

Battery

Duration13 hours to 30 days8 days (without notifications)24 hours5 days5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454NANA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
TouchNANA
Typen/aLEDAMOLEDLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM2 ATM1 ATM1 ATMNA1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNANAAndroid Wear
Apps
Music

All Wearables